koustrupit.dk

📜 Historical scan 2026-08-26 21:44:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koustrupit.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 May 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.176 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.176	3600s	linux155.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

7 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b	lr-in-f27.1e100.net lh-in-f27.1e100.net lh-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	koustrupit.dk → 94.231.103.176
🔶 Autoconfig	koustrupit.dk → 94.231.103.176

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 210ms

TXT Record
google-site-verification=5osN5PqgziR9fsdLHAvtUgoDd7YuvCuptOSWumwlI70

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 18:10:54

www CNAME	koustrupit.dk (all on koustrupit.dk) → 94.231.103.176 (AS48854)
www vs bare domain	Same network koustrupit.dk: 94.231.103.176 (AS48854) www.koustrupit.dk: 94.231.103.176 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.koustrupit.dk	koustrupit.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

110ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026021900
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 23:43:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-05-19
Expires	2036-05-31 (3512d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
highvibeart.dk	Simply.com A/S
svendk.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

60ms

58ms

69ms

AAAA

61ms

TXT

210ms

CAA

65ms

HTTPS

50ms

TLSA

131ms

SOA

0ms

MTA-STS

100ms

DNSSEC

110ms

SRV

84ms

Total

1088ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:10:54	1974ms	4 NS 1 A 7 MX	🔒 Secure
2026-10-01 07:21:52	1000ms	4 NS 1 A 7 MX	🔒 Secure
2026-09-21 21:52:37	757ms	4 NS 1 A 7 MX	🔒 Secure
2026-09-02 08:31:58	1126ms	4 NS 1 A 7 MX	🔒 Secure
2026-08-26 21:44:00 shown	1088ms	4 NS 1 A 7 MX	🔒 Secure
2026-08-25 03:56:31	867ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-27 16:32:10	3212ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-20 15:02:47	878ms	4 NS 1 A 7 MX	⚠️ Bogus
2026-06-19 19:02:16	3586ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-17 12:00:29	2164ms	4 NS 1 A 7 MX	🔒 Secure